| 31. | These walls were more soundproof then conventional walls, and stopped excessive noise between classrooms.
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| 32. | How can I soundproof that wall?
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| 33. | A medium-size, neatly dressed man of 67, he sat behind soundproof glass.
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| 34. | Hospital executives fear they will have to build new soundproof rooms to comply with those rules.
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| 35. | After that, they were required to work through a soundproof window from an adjoining room.
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| 36. | This will help save heating and cooling costs, and will make the walls more soundproof.
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| 37. | About 100 interpreters in soundproof booths in a stadium next-door simultaneously translated his words.
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| 38. | For instance, researchers will use a soundproof room to study the sounds made by butterflies.
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| 39. | The restroom was placed off-limits during tapings as a result of not being soundproof.
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| 40. | It was written in gratitude to the school which had built a soundproof studio for him.
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